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Finding the Fourth Proportional to 620,892.29, 931,158.54 and 241,728.53

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Solution

The fourth proportional to 620,892.29, 931,158.54 and 241,728.53 is: 362,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,892.29 : 931,158.54 = 241,728.53 : x
  2. Step 2: Convert to fraction form
    620,892.29/931,158.54 = 241,728.53/x
  3. Step 3: Cross multiply
    620,892.29x = 931,158.54 × 241,728.53
  4. Step 4: Simplify right side
    620,892.29x = 225,087,580,415.35
  5. Step 5: Solve for x
    x = 225,087,580,415.35/620,892.29
  6. Step 6: Final answer
    x = 362,522.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.